- Country: UK
- Genres: Comedy
- Release: 1968-12-01
- Director: Christopher Morahan
- Writers: Ronald Harwood , Pierre Rouve , N.F. Simpson
- Language: English
- Stars: Marcello Mastroianni , Rita Tushingham , Elaine Taylor , Margaret Blye , Francesca Tu , The Karlins , Warren Mitchell , Nora Nicholson , Bryan Pringle , Leonard Rossiter (1926–1984)
- Runtime: 102 min
- Awards: N/A
- AKA: Diamanten zum Frühstück , Diamonds for Breakfast , Diamantes vía Moscú (Spain) , Gyémántok reggelire (Hungary) , Diamantia gia kolatsio (Greece) , Diamantes para o Almoço (Brazil) , Diamonds for Breakfast (United Kingdom) , Diamonds for Breakfast (United States of America) , Diamanti a colazione (Italy) , Brillantes para el desayuno (Mexico) , Diamenty na śniadanie (Poland) , Diamantes ao Pequeno - Almoço (Portugal, Portuguese Republic) , Çilgin hovarda (Turkey)
- Plot: The rightful heir to the Russian Imperial Jewels recruits a ragtag team of female petty thieves and cat burglars to steal them from a British museum.
- IMDB:tt0062888
Diamonds for Breakfast Cast · · · ALL
Christopher Morahan
Director
Marcello Mastroianni
Grand Duke Nicholas Wladimirovitch Goduno
Rita Tushingham
Bridget Rafferty
Elaine Taylor
Victoria
Margaret Blye
Honey
Warren Mitchell
Popov
Leonard Rossiter
(1926–1984)
Inspector Dudley
Francesca Tu
Jeanne Silkingers
David Horne
Duke of Windemere
Charles Lloyd Pack
Butler
Anne Blake
Nashka
David Webb
Juba Kennerley
Casino Patron (uncredited)
Ian Trigger
Popov's assistant (uncredited)
Norman Mitchell
(uncredited)
Nora Nicholson
Anastasia Petrovna